



⛽ Fix it fast, drive safe—fuel line repairs made foolproof!
The Dorman 800-300 Nylon Fuel Line Repair Kit is a comprehensive 104-piece set featuring professional-grade tools and connectors designed for quick, precise repairs of nylon fuel lines. With ergonomic clamp grips, straight and elbow fittings, and a high-quality cutter, this kit enables efficient, leak-proof fixes that save time and money. Engineered and quality-controlled in the USA, it’s the go-to solution for millennial professionals who demand reliability and ease in automotive maintenance.





| ASIN | B000XQ5IO4 |
| Best Sellers Rank | #85,215 in Automotive ( See Top 100 in Automotive ) #33 in Automotive Replacement Fuel Lines |
| Brand | Dorman |
| Color | Multi |
| Customer Reviews | 4.5 4.5 out of 5 stars (258) |
| Date First Available | October 23, 2007 |
| Exterior | Machined |
| Global Trade Identification Number | 00019495068358 |
| Is Discontinued By Manufacturer | No |
| Item Length | 10 Feet |
| Item Weight | 8.83 pounds |
| Item model number | 800-300 |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 800-300 |
| Material | Nylon |
| Model | Fuel Line Repair Kit |
| Nominal Wall Thickness | 2 millimeters |
| OEM Part Number | 454; KP1200; KP1500 |
| Outside Diameter | 0.31 Inches |
| UPC | 019495068358 |
J**Y
Easy
Work great,easy to use
B**C
My Buick was leaking gasoline onto the engine. It's a wonder the car didn't go up in flames.
My Buick was leaking gasoline onto the engine. It's a wonder the car didn't go up in flames. I took it to a local shop because he said he could fix the fuel line. If he had made the new line up according to the directions which come inside the kit, it probably would have been okay, but he failed to push the hose onto the union that joined it to the existing old hose, and three days later it leaked worse than before. That's when I bought the kit. After reading the entire direction sheet, I made up a new fuel line to connect to the existing fuel line, then assembled them per the directions. The leak was fixed and hasn't leaked a drop, and it's been almost two full months. Considering what a shop or dealership would charge for this repair, plus the fact that virtually all the cars today are using these plastic coated nylon tubing fuel lines, this kit already paid for itself, and it came with enough parts and fuel line to make up a bunch more.
I**R
Great kit! Not super sturdy but gets the job done!
Great kit. Comes with everything you need to do the job. I would have given it 5 stars but the compression tool is kind of cheap. Worked great for what I needed. I ran all new supply and return lines on an old 92 ford tempo that I was throwing together as my sons first rattle trap since his birthday was just before the snow flew. I'll get something better after I am sure that he can drive in Ohio's weather. The product has all of the connections and tools to make them and disconnect them. I went to several automotive parts dealers and they could not give me a solution to replacing the lines. Once again Amazon to the rescue! I did buy spare lines made by Dorman as well in case I ever needed them in the future.
G**Y
One of the better products Dorman makes
Work like it should
N**.
Drive Worry-Free with Dorman's Nylon Fuel Line Repair Kit
The Dorman 800-300 Nylon Fuel Line Repair Kit is an essential tool for any auto repair enthusiast. I purchased this comprehensive 104-piece kit to tackle a stubborn leak in an old fuel line and combined it with a pipe cutter and some sandpaper. The result? A perfect, leak-free repair that's held up beautifully on the road for the past three months. Whether you're maintaining your own vehicle or flipping cars for profit, this kit is a must-have for achieving durable repairs. Highly recommend!
J**N
Great Job!!!!
Great Fuel Line kit. Saved a lot of headaches. All you'll ever need for any situation. Can even convert lines over to nylon, Eliminates a lot of trouble and is alcohol compatible and corrosion proof. Also the best price anywhere. Well boxed and packed. Fast shipping too.
E**S
Great price
Have not used it yet but it has a lot of parts in there and a lot more than I thought
A**R
The fitting I needed was in the kit
I could have improvised on the tools to get the pieces together. But I used the tools in the kit and they did work. But a heat gun to soften the plastic is the real trick. I really only needed 2 fittings and a piece of hose. It is a shame to have to buy a whole kit. I haven't tried to re-order any fittings yet from the numbers in the kit. So it may be possible but I didn't have the numbers previous to the purchase
J**N
Overall this product as well build, a bit on the expensive side though.
A**R
this tool is a must if you do any fuel line repairs
A**R
Excellent product.... works flawlessly... I will be ordering more....
B**T
very happy ,works great, saves time and money.
K**M
nice kit
Trustpilot
5 days ago
3 weeks ago